Massive bleeding in a newborn infant from a gastric ulcer associated with hypertrophic pyloric stenosis.
D005745:Gastric Acidity Determination; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D008297:Male; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology*; D011707:Pyloric Stenosis / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography; D013276:Stomach Ulcer / Q000209:etiology*